This is the 8407th most frequent Chinese word.
ocean
The Chinese word for "ocean" (海, hǎi) refers to the vast body of saltwater covering most of the Earth's surface.
In this sentence, '海洋 (ocean)' is used as a noun to describe the vast bodies of water on Earth's surface.
海洋覆盖了地球表面的很大一部分。
The ocean covers a large part of the Earth's surface.
Here, '海洋 (ocean)' emphasizes the field of study related to ocean life forms and ecosystems.
他对海洋生物充满了兴趣，决定成为一名海洋科学家。
He is very interested in marine life and decided to become an ocean scientist.
In this example, '海洋 (ocean)' is utilized to highlight the aesthetic and expansive qualities of the seas.